package com.aaa.front.controller;

/**
 * @ fileName:aaa
 * @ description:
 * @ author:lx
 * @ createTime:2023/7/10 10:51
 * @ version:1.0.0
 */
public class aaa {
    public static void main(String[] args) {
        String aaa ="123123412.6";//[0,)
        System.out.println(aaa.length());
        String substring = aaa.substring(0, aaa.length()-2);
        System.out.println("substring = " + substring);

        String s = "Integraladequacy".toUpperCase();
        System.out.println("s = " + s);

    }
}
